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Search for Higgs boson pair production in the bbbb final state from pp collisions at √s = 8 TeV with the ATLAS detector

Aad, G.
•
Abbott, B.
•
Abdallah, J.
altro
GIORDANI, Mario
2015
  • journal article

Periodico
THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS
Abstract
A search for Higgs boson pair production pp -> hh is performed with 19.5 fb(-1) of proton-proton collision data at root s = 8TeV, which were recorded by the ATLAS detector at the Large Hadron Collider in 2012. The decay products of each Higgs boson are reconstructed as a high-momentum b (b) over bar system with either a pair of small-radius jets or a single large-radius jet, the latter exploiting jet substructure techniques and associated b-tagged track-jets. No evidence for resonant or non-resonant Higgs boson pair production is observed. The data are interpreted in the context of the Randall-Sundrum model with a warped extra dimension as well as the two-Higgs-doublet model. An upper limit on the cross-section for pp -> G(KK)* -> hh -> b (b) over barb (b) over bar of 3.2 (2.3) fb is set for a Kaluza-Klein graviton G(KK)* mass of 1.0 (1.5) TeV, at the 95 % confidence level. The search for non-resonant Standard Model hh production sets an observed 95 % confidence level upper limit on the production cross-section sigma(pp -> hh -> b (b) over barb (b) over bar) of 202 fb, compared to a Standard Model prediction of s(pp -> hh -> b (b) over barb (b) over bar) = 3.6 +/- 0.5fb.
DOI
10.1140/epjc/s10052-015-3628-x
WOS
WOS:000366305400004
Archivio
http://hdl.handle.net/11390/1096210
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-84961738581
https://www.scopus.com/inward/record.uri?eid=2-s2.0-84961738581&partnerID=40&md5=aad5fcd4af71901a78922df282532275
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metadata only access
Scopus© citazioni
96
Data di acquisizione
Jun 14, 2022
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Web of Science© citazioni
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Data di acquisizione
Mar 28, 2024
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Data di acquisizione
Apr 19, 2024
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